Skip to content

Instantly share code, notes, and snippets.

@chocolatkey
Created October 23, 2015 18:09
Show Gist options
  • Save chocolatkey/8a9696517edcee0cfd4b to your computer and use it in GitHub Desktop.
Save chocolatkey/8a9696517edcee0cfd4b to your computer and use it in GitHub Desktop.
Slack team invite sign-up form handler
<?php
/*
Slack team invite sign-up form handler
Henry Stark 2015
Original Idea: https://levels.io/slack-typeform-auto-invite-sign-ups/
*/
/* VARIABLES TO EDIT */
$slackTeam = 'scanlation';// Slack team name
$slackToken = 'xoxp-1234';// Slack API token (Generate at https://api.slack.com/web)
$slackJoinChannels = 'C0D2ET69W';// Separate IDs with a comma
$usedEmailsFile = $_SERVER["DOCUMENT_ROOT"].'/sho/prevEmails.json';// File for used emails
$formName = 'name';// Form name field name var
$formEmail = 'email';// Form email field name var
/* END VARIABLES */
mb_internal_encoding("UTF-8");
if(isset($_POST[$formName]) && isset($_POST[$formEmail])){
$name = htmlspecialchars($_POST[$formName]);
$email = htmlspecialchars($_POST[$formEmail]);
// Load used emails file
if(@!file_get_contents($usedEmailsFile)) {
$usedEmails = array();
} else {
$usedEmails = json_decode(file_get_contents($usedEmailsFile),true);
}
$offset = count($usedEmails);
if(!in_array($email, $usedEmails)) {// If account has not been registered via form
$slackInviteUrl = 'https://'.$slackTeam.'.slack.com/api/users.admin.invite?t='.time();
// URL fields
$fields = array(
'email' => urlencode($email),
'channels' => urlencode($slackJoinChannels),
'first_name' => urlencode($name),
'token' => $slackToken,
'set_active' => urlencode('true'),
'_attempts' => '1'
);
// Convert to url
$fields_string='';
foreach($fields as $key=>$value) { $fields_string .= $key.'='.$value.'&'; }
rtrim($fields_string, '&');
// POST connection to Slack API
$ch = curl_init();
curl_setopt($ch,CURLOPT_URL, $slackInviteUrl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch,CURLOPT_POST, count($fields));
curl_setopt($ch,CURLOPT_POSTFIELDS, $fields_string);
$replyRaw = curl_exec($ch);
$reply = json_decode($replyRaw,true);
if($reply['ok'] == false) {// Success
echo('Error regitstering: '.$reply['error']);
}
else {// Error posting
echo('Thank you for your signing up, '.$name.'!. You have been added to the <a href="//'.$slackTeam.'.slack.com">'.$slackTeam.'</a> Slack team.<br/>Check your email ('.$email.') for an invite link.');
}
curl_close($ch);
// Save email in used emails file
array_push($usedEmails, $email);
file_put_contents($usedEmailsFile, json_encode($usedEmails));
} else {// Error email in use
echo('Error: The email '.$email.' has already been used to sign up in the team <a href="//'.$slackTeam.'">'.$slackTeam.'</a>.');
}
} else {// Error name or email values not set
echo('Error: Missing data. Please (re)submit the form.');
}
@chocolatkey
Copy link
Author

Thank you gael! I'll change this soon

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment